Amazon has the Amazon eero Outdoor 7 Weatherproof Dual-Band Mesh Wi Fi Router on sale for $330 with free shipping. Includes 30W PoE+ adapter.  

• Provides up to 15,000 square feet of Wi-Fi coverage. Connect 100+ devices.
• Operates between -40°F and 131°F. IP66 rating. Speeds up to 2.1 Gbps
• Works via AC power or Power over Ethernet.